Guys guys, who replied to my comment saying cesium is the most reactive substance? What is this? Look, I may not be an expert in chemistry, but my sir, my teacher is - he has stated with facts that francium is the most reactive substance, final.
flourine is the most electronegative element in the world...of that, there is no question... but francium has never been produced in a quantity large enough for expirementation. francium is the 2nd rarest element on earth and any videos you see of "francium reacting with water" are simply false...
to get an idea of it's rarity, at any given moment, only 20-30g of it exist in the earth's crust. on top of that, it's most stable isotope has a half life of only 22 minutes.
it has a lower 1st ionization energy, which means it requires less energy to remove one electron from a caesium atom than from a francium atom, due to relativistic effects.
@japanesepoptart Wrong... sort of. From what I understand, experiments suggest that Helium is actually the most electronegative element. However, it doesn't react anyway.
But Francium is impossible to produce. IF you had, say, a small chunk (maybe 1/10th of a mole, about 22 grams), the power is W=E * ln(2) / (M * t1/2), which turns out to be 26.35KW. That's the heat output of a bike engine or 200-300 lightbulbs... but in radiation. A small chunk of francium would kill everyone in the room.
Proper sheilding could protect from radiation...but that's beside the point: the Idea of anyone getting enough francium to actually do a reaction is ridiculous.
Although it would be really REALLY cool to know what color it gives in a flame test. If I had to guess, I'd guess deep purple, or maybe even an emission that's off the visible range...
@Spyhunter3391 actually, both of you are right. francium is the most dangerously reactive as it explodes with water, but fluorine also violently reacts with many chemicals and reacts with the most stuff.
You know, I get really tired of people calling other people "dumbasses" when they have no idea what they are talking about themselves. Francium has never been isolated in an observable quantity, and therefore we have no sure way of knowing if it is more reactive than fluorine.
It MAY be the most reactive element, but we do not, and probably will not ever know for sure.
Besides, If your reasoning was correct, you would still be WRONG! Ununennium (119) and Unhexennium (169) are the next two *theoretical* alkali metals on the periodic table.
okay here ya go everybody, CESIUM is the most reactive metal, not including radioactive metals, and FLUORINE is the most reactive gas. i hope this clears everything up.
Flash bomb=>FLUORINE!!!!!
tycy3333 2 months ago
It must be hard to get pure fluorine.
dawgsnsuch 3 months ago
Chemists do it on the table, periodically.
RIFFSUAREZ 4 months ago
You're all wrong, Charlie Sheen is the most reactive element known to man.
goshdarnepic 10 months ago 2
Shoot flourine at pretty much anything other than the halogens, and it's going to react.
miest0908 1 year ago
@miest0908 It will react, under the right conditions, with most of them aswell.
TheCaptainLulz 11 months ago
Fluorine is badass
bigyfuzz 1 year ago
Guys guys, who replied to my comment saying cesium is the most reactive substance? What is this? Look, I may not be an expert in chemistry, but my sir, my teacher is - he has stated with facts that francium is the most reactive substance, final.
WhatElseExceptNature 1 year ago
flourine is the most electronegative element in the world...of that, there is no question... but francium has never been produced in a quantity large enough for expirementation. francium is the 2nd rarest element on earth and any videos you see of "francium reacting with water" are simply false...
to get an idea of it's rarity, at any given moment, only 20-30g of it exist in the earth's crust. on top of that, it's most stable isotope has a half life of only 22 minutes.
japanesepoptart 1 year ago
Yes, thats what I am trying to explain. Francium is way too rare to be "exlpoded with' and fluorine is the MOST REACTIVE ***NON METAL*** ELEMENT.
WhatElseExceptNature 1 year ago
@WhatElseExceptNature
caesium is more reactive than francium
it has a lower 1st ionization energy, which means it requires less energy to remove one electron from a caesium atom than from a francium atom, due to relativistic effects.
bokitoo1 1 year ago
@japanesepoptart Wrong... sort of. From what I understand, experiments suggest that Helium is actually the most electronegative element. However, it doesn't react anyway.
But Francium is impossible to produce. IF you had, say, a small chunk (maybe 1/10th of a mole, about 22 grams), the power is W=E * ln(2) / (M * t1/2), which turns out to be 26.35KW. That's the heat output of a bike engine or 200-300 lightbulbs... but in radiation. A small chunk of francium would kill everyone in the room.
miest0908 7 months ago
@miest0908
Proper sheilding could protect from radiation...but that's beside the point: the Idea of anyone getting enough francium to actually do a reaction is ridiculous.
japanesepoptart 7 months ago
@japanesepoptart I agree, the idea is ridiculous.
miest0908 7 months ago
@miest0908
Although it would be really REALLY cool to know what color it gives in a flame test. If I had to guess, I'd guess deep purple, or maybe even an emission that's off the visible range...
japanesepoptart 7 months ago
Fluorine is the most reactive element in the world it even reacts with glass
Spyhunter3391 2 years ago
no its not dumb ass. its francium!! learn your elements
ratchetandjasper 2 years ago
oh i am sorry for not knowing every fucking element on the face of the planet earth...
Spyhunter3391 2 years ago
@Spyhunter3391 actually, both of you are right. francium is the most dangerously reactive as it explodes with water, but fluorine also violently reacts with many chemicals and reacts with the most stuff.
HazMatLabz 2 years ago
@ratchetandjasper
You know, I get really tired of people calling other people "dumbasses" when they have no idea what they are talking about themselves. Francium has never been isolated in an observable quantity, and therefore we have no sure way of knowing if it is more reactive than fluorine.
It MAY be the most reactive element, but we do not, and probably will not ever know for sure.
Dumbass...
libtechsk8er 2 years ago
@ratchetandjasper
Besides, If your reasoning was correct, you would still be WRONG! Ununennium (119) and Unhexennium (169) are the next two *theoretical* alkali metals on the periodic table.
Dumbass...
libtechsk8er 2 years ago
okay here ya go everybody, CESIUM is the most reactive metal, not including radioactive metals, and FLUORINE is the most reactive gas. i hope this clears everything up.
doomgiver98 1 year ago
NVM my comment, just watched the first small clip.
Bernler75 2 years ago
That's chlorine, not flourine...
Bernler75 2 years ago
Not that amazing, but looks kinda cool
cornndogg95 3 years ago
incrediable powerful
b43e65f77 3 years ago
Was there a flame added to start the reactions between the sodium powder, magnesium ribbion, or sulphur?
Do some elements require the flourine to be heated?
Wonder if you added oxygen to those aluminium and silicon containers if the explosion would be bigger.
bmwsux4 3 years ago
Very, very nice video! It is the first video I have seen on YouTube showing experiments with elemental Fluorine gas! Very nice =)
mabakken 3 years ago 10